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Enforces config env var checks and improves startup handling (#892)

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* Enforces config env var checks and improves startup handling

Ensures critical environment variables are validated during config resolution,
raising clear errors if missing. Improves server startup reliability by
verifying that backend services are listening and by terminating on
misconfiguration at launch. Adds more robust feedback to developers when
API startup fails, reducing silent misconfigurations and speeding up
troubleshooting.

* Initial plan

* Implement suggestions from PR #892: fix env var checks and improve error logging

Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
This commit is contained in:
JeffJiang
2026-02-25 16:12:59 +08:00
committed by GitHub
parent 6d1878fb1a
commit adfe5c4b44
5 changed files with 25 additions and 6 deletions
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7
backend/src/config/extensions_config.py
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@@ -130,9 +130,10 @@ class ExtensionsConfig(BaseModel):
for key, value in config.items():
if isinstance(value, str):
if value.startswith("$"):
env_value = os.getenv(value[1:], None)
if env_value is not None:
config[key] = env_value
env_value = os.getenv(value[1:])
if env_value is None:
raise ValueError(f"Environment variable {value[1:]} not found for config value {value}")
config[key] = env_value
else:
config[key] = value
elif isinstance(value, dict):